Three Types of Rocks

What are the three main types of rocks?

• Sedimentary, Metamorphic, Volcanic

• Igneous, Volcanic, Sedimentary

• Igneous, Sedimentary, Metamorphic

• Metamorphic, Igneous, Volcanic

How are extrusive igneous rocks formed?

• By being buried under other rocks

• By cooling rapidly on the Earth's surface

• By chemical reactions with hot fluids

• By cooling slowly beneath the Earth's surface

What is a common example of sedimentary rock?

• Shale

• Marble

• Basalt

• Granite

How are metamorphic rocks formed?

• By cooling of lava

• By weathering and erosion

• By heat and pressure

• By sediment accumulation

Which rock is commonly used as a building material?

• Marble

• Shale

• Sandstone

• Basalt